<template>
<div  class='app-container'>
<!-- 头部区域 -->
  <div>
      <mt-header fixed title="黑马程序员-Vue项目">
         <span slot="left" @click="goBack" v-show="flag">
          <mt-button icon="back">返回</mt-button>
          </span>

	  </mt-header>
  </div>
  <transition>
	  <router-view></router-view>
  </transition>
  
  <!-- 底部区域 -->
  <nav class="mui-bar mui-bar-tab">
			<router-link class="mui-tab-item-coucou" to="/home">
				<span class="mui-icon mui-icon-home"></span>
				<span class="mui-tab-label">首页</span>
			</router-link>
			<router-link class="mui-tab-item-coucou" to="/member">
				<span class="mui-icon mui-icon-contact"></span>
				<span class="mui-tab-label">会员</span>
			</router-link>
			<router-link class="mui-tab-item-coucou" to="/shopcart">
				<span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
				<span class="mui-tab-label">购物车</span>
			</router-link>
			<router-link class="mui-tab-item-coucou" to="/search">
				<span class="mui-icon mui-icon-search"></span>
				<span class="mui-tab-label">搜索</span>
			</router-link>
		</nav>
 </div>
</template>

<script>
 export default{
	 data(){
		 return{
			 flag:false
		 };
	 },
	 created(){
       this.flag=this.$route.path==='/home'? false : true;
	 },
	 methods:{
		 goBack(){
			 this.$router.go(-1);
		 }
	 },
	 watch:{
		 '$route.path':function(newVal){
			 if(newVal==='/home'){
				 this.flag=false
			 }else{
				 this.flag=true
			 }
		 }
	 }
 }
</script>

<style lang="scss" scoped>
.app-container{
   padding-top: 40px;
   overflow-x: hidden;
   padding-bottom: 50px;
}
.mint-header{
	z-index: 99;
}
.v-enter{
	opacity: 0;
	transform:translateX(100%)
}
.v-leave-to{
	opacity: 0;
	transform:translateX(-100%);
	position: absolute;
}
.v-enter-active,
.v-leave-active{
	transition:all 0.5s ease;
}
.mui-bar-tab .mui-tab-item-coucou.mui-active{
	color: #007aff;
}
.mui-bar-tab .mui-tab-item-coucou{
	display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
	color: #929292;
}
.mui-bar-tab .mui-tab-item-coucou .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
}
.mui-bar-tab .mui-tab-item-coucou .mui-icon~.mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
}
</style>


